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Subfield · Pollution

Top Pollution Research Institutions

Chinese Academy of Sciences ranks first in 2022–2025, out of 178 ranked institutions.

Composite score: field-normalised excellence, output and total citations weighted 50 / 30 / 20, each as a percentile so no single heavy-tailed measure dominates. Floor: 40 fractional works in this field.

Ranked by research quality, 2022–2025

#InstitutionScoreTop-10% rateWorksCitationsAll time
1 Chinese Academy of SciencesChina · Beijing 100.0 26.5% 562 11k#1
2 Harbin Institute of TechnologyChina · Harbin 86.6 30.3% 299 6.4k#10
3 University of Chinese Academy of SciencesChina · Beijing 78.8 27.4% 276 5.8k#16
4 Zhejiang UniversityChina · Hangzhou 73.2 26.6% 299 5.6k#11
5 China Agricultural UniversityChina · Beijing 68.9 35.9% 171 4.2k#27
6 Nankai UniversityChina · Tianjin 65.4 30.6% 179 4.3k#28
7 Northeast Agricultural UniversityChina · Harbin 62.4 37.2% 140 3.2k#43
8 Northwest A&F UniversityChina · Yangling 59.9 38.9% 132 3.8k#31
9 Jiangsu UniversityChina · Zhenjiang 57.6 37.3% 95 2.3k#85
10 State Key Laboratory of Pollution Control and Resource ReuseChina · Nanjing 55.6 28.7% 202 4k#24
11 Peking UniversityChina · Beijing 53.7 29.3% 148 3.1k#32
12 Central South UniversityChina · Changsha 52.0 24.8% 159 2.8k#55
13 Tsinghua UniversityChina · Beijing 50.5 26.1% 190 3.9k#12
14 Ministry of Agriculture and Rural AffairsChina · Beijing 49.1 25.0% 197 3.8k—
15 Beijing University of TechnologyChina · Beijing 47.7 19.8% 244 4.3k#91
16 Chinese Research Academy of Environmental SciencesChina · Beijing 46.5 24.2% 165 3k#64
17 Shanghai Jiao Tong UniversityChina · Shanghai 45.3 28.1% 152 2.9k#26
18 Hohai UniversityChina · Nanjing 44.2 24.9% 224 3.6k—
19 Tongji UniversityChina · Shanghai 43.2 25.4% 220 3.9k#34
20 Xiamen UniversityChina · Xiamen 42.2 30.4% 126 2.1k#80
21 Shandong UniversityChina · Jinan 41.2 23.9% 168 3.1k#58
22 Beijing Normal UniversityChina · Beijing 40.3 26.1% 176 3.2k#62
23 Sichuan UniversityChina · Chengdu 39.5 28.3% 134 2.5k—
24 Wuhan UniversityChina · Wuhan 38.7 32.2% 92 2k#99
25 Tianjin UniversityChina · Tianjin 37.9 25.9% 176 3.1k—
26 Nanjing Agricultural UniversityChina · Nanjing 37.1 24.3% 169 3k#47
27 Southeast UniversityChina · Nanjing 36.4 29.2% 120 2.1k—
28 South China Agricultural UniversityChina · Guangzhou 35.7 30.4% 162 3.2k—
29 Sun Yat-sen UniversityChina · Guangzhou 35.0 23.8% 147 2.5k#70
30 Xi'an University of Architecture and TechnologyChina · Xi'an 34.4 24.1% 162 2.7k—
31 Saveetha UniversityIndia · Chennai 33.7 32.4% 82 1.9k—
32 Hunan UniversityChina · Changsha 33.1 36.0% 102 2.5k#13
33 Research Center for Eco-Environmental SciencesChina · Beijing 32.5 28.6% 120 2.4k#41
34 Nanjing UniversityChina · Nanjing 31.9 24.4% 133 2.6k#50
35 South China University of TechnologyChina · Guangzhou 31.4 19.5% 155 2.4k—
36 Wageningen University & ResearchNetherlands · Wageningen 30.8 24.2% 140 3k#2
37 Chongqing UniversityChina · Chongqing 30.3 25.9% 148 2.7k—
38 King Saud UniversitySaudi Arabia · Riyadh 29.8 23.0% 147 2.2k—
39 Ocean University of ChinaChina · Qingdao 29.3 19.5% 202 2.8k—
40 The University of QueenslandAustralia · Brisbane 28.8 26.3% 105 2.2k#4
41 Zhejiang University of TechnologyChina · Hangzhou 28.3 23.6% 129 2.5k#90
42 Ministry of Ecology and EnvironmentChina · Beijing 27.9 20.3% 155 2.3k—
43 Vellore Institute of Technology UniversityIndia · Vellore 27.4 21.8% 136 2.2k—
44 University of Technology SydneyAustralia · Sydney 27.0 36.8% 71 2k#57
45 North China Electric Power UniversityChina · Beijing 26.5 32.2% 102 1.9k#59
46 National University of SingaporeSingapore · Singapore 26.1 27.8% 94 2k#25
47 University of JohannesburgSouth Africa · Johannesburg 25.7 20.6% 120 1.6k—
48 Centre National de la Recherche ScientifiqueFrance · Paris 25.3 16.3% 177 2.3k#14
49 Guizhou UniversityChina · Guiyang 24.9 23.4% 119 1.6k—
50 Lovely Professional UniversityIndia · Phagwāra 24.5 28.9% 79 890—
51 King Fahd University of Petroleum and MineralsSaudi Arabia · Dhahran 24.1 34.3% 66 1.3k—
52 Hong Kong Polytechnic UniversityHong Kong · Hong Kong 23.7 33.8% 82 1.7k#71
53 China University of GeosciencesChina · Wuhan 23.4 30.1% 104 1.7k—
54 Huazhong University of Science and TechnologyChina · Wuhan 23.0 29.3% 96 1.8k—
55 Technical University of DenmarkDenmark · Kongens Lyngby 22.7 19.4% 120 1.9k#5
56 University of Science and Technology BeijingChina · Beijing 22.3 26.7% 87 1.7k—
57 Dalian University of TechnologyChina · Dalian 22.0 21.1% 113 1.8k#78
58 University of TehranIran · Tehran 21.6 22.3% 111 2.1k—
59 Shenzhen UniversityChina · Shenzhen 21.3 23.6% 88 1.4k—
60 Yangzhou UniversityChina · Yangzhou 21.0 22.1% 111 2k—
61 Chinese Academy of Agricultural SciencesChina · Beijing 20.7 24.8% 93 1.8k—
62 City University of Hong KongHong Kong · Hong Kong 20.4 29.2% 68 1.5k—
63 Zhengzhou UniversityChina · Zhengzhou 20.0 20.9% 98 1.5k—
64 Lanzhou UniversityChina · Lanzhou 19.7 25.9% 98 1.8k—
65 Universiti Sains MalaysiaMalaysia · George Town 19.4 25.6% 89 1.5k—
66 China University of Mining and TechnologyChina · Xuzhou 19.1 23.7% 106 1.5k—
67 Hainan UniversityChina · Haikou 18.9 25.6% 93 1.7k—
68 East China Normal UniversityChina · Shanghai 18.6 27.3% 88 2k#61
69 Guangdong University of TechnologyChina · Guangzhou 18.3 26.7% 107 1.9k—
70 National University of MalaysiaMalaysia · Bangi 18.0 26.1% 65 1.3k—
71 Politecnico di MilanoItaly · Milan 17.7 30.5% 62 765—
72 Xi'an Jiaotong UniversityChina · Xi'an 17.5 23.9% 90 1.3k—
73 Qingdao University of Science and TechnologyChina · Qingdao 17.2 28.4% 74 1.5k—
74 Guangxi UniversityChina · Nanning 16.9 22.7% 111 1.6k—
75 Chang'an UniversityChina · Xi'an 16.7 19.6% 94 1.5k—
76 Huazhong Agricultural UniversityChina · Wuhan 16.4 24.5% 98 1.7k—
77 UNSW SydneyAustralia · Sydney 16.2 30.4% 61 1k#86
78 Jilin UniversityChina · Changchun 15.9 24.3% 108 1.6k—
79 Iowa State UniversityUnited States · Ames 15.7 25.2% 62 953#29
80 South China Normal UniversityChina · Guangzhou 15.4 26.2% 68 1.3k—
81 Nanjing Forestry UniversityChina · Nanjing 15.2 28.5% 80 1.5k—
82 Jinan UniversityChina · Guangzhou 15.0 24.9% 88 1.7k—
83 Institute of Urban EnvironmentChina · Amoy 14.7 34.0% 65 1.6k—
84 Delft University of TechnologyNetherlands · Delft 14.5 23.7% 90 1.4k#18
85 Banaras Hindu UniversityIndia · Varanasi 14.3 26.9% 80 1.2k—
86 Academy of Scientific and Innovative ResearchIndia · Ghaziabad 14.0 24.3% 80 1.3k—
87 Shandong Agricultural UniversityChina · Tai’an 13.8 25.6% 81 1.6k—
88 Wuhan University of TechnologyChina · Wuhan 13.6 21.1% 95 1.3k—
89 Norwegian University of Science and TechnologyNorway · Trondheim 13.4 28.2% 66 1k#100
90 Southwest UniversityChina · Chongqing 13.2 22.5% 90 1.4k—
91 Sichuan Agricultural UniversityChina · Ya'an 12.9 22.9% 92 1.4k—
92 Fudan UniversityChina · Shanghai 12.7 26.7% 72 1.4k—
93 Jiangnan UniversityChina · Wuxi 12.5 23.3% 103 1.7k—
94 Suzhou University of Science and TechnologyChina · Suzhou 12.3 19.0% 109 1.6k—
95 Nanjing University of Information Science and TechnologyChina · Nanjing 12.1 23.6% 86 1.4k—
96 University of AveiroPortugal · Aveiro 11.9 17.9% 107 1.5k#69
97 Universidade do PortoPortugal · Porto 11.7 19.4% 102 1.4k#84
98 University of Science and Technology of ChinaChina · Hefei 11.5 27.9% 61 1k—
99Shanghai Institute of Pollution Control and Ecological Security?? · Shanghai 11.3 33.4% 60 1.6k—
100 Ministry of Natural ResourcesChina · Beijing 11.1 21.6% 94 1.6k—

institutions ranked worldwide in Pollution (178). rank on the composite score within the stated pool. The score track runs 0 to 100; the rate track carries no world mark, because the world rate differs by field.

How spread out this pool is

Every row above on one axis — one tick each, right is a higher score. A field where the top few are far clear of everyone and one that runs down evenly look identical as a table.

11 – 16: 21 places16 – 20: 16 places20 – 24: 13 places24 – 29: 11 places29 – 33: 8 places33 – 38: 6 places38 – 42: 6 places42 – 47: 4 places47 – 51: 3 places51 – 56: 2 places56 – 60: 3 places60 – 64: 1 places64 – 69: 1 places69 – 73: 2 places73 – 78: 0 places78 – 82: 1 places82 – 87: 1 places87 – 91: 0 places91 – 96: 0 places96 – 100: 1 places11100

One bar per band of score, counting the rows on this page.

Ranked by volume, 2022–2025

  1. 1 Chinese Academy of SciencesChina 563 works
  2. 2 Zhejiang UniversityChina 299 works
  3. 3 Harbin Institute of TechnologyChina 299 works
  4. 4 University of Chinese Academy of SciencesChina 276 works
  5. 5 Beijing University of TechnologyChina 244 works
  6. 6 Hohai UniversityChina 224 works
  7. 7 Tongji UniversityChina 220 works
  8. 8 State Key Laboratory of Pollution Control and Resource ReuseChina 202 works
  9. 9 Ocean University of ChinaChina 202 works
  10. 10 Ministry of Agriculture and Rural AffairsChina 197 works
  11. 11 Tsinghua UniversityChina 190 works
  12. 12 Nankai UniversityChina 179 works
  13. 13 Centre National de la Recherche ScientifiqueFrance 177 works
  14. 14 Beijing Normal UniversityChina 176 works
  15. 15 Tianjin UniversityChina 175 works

Pollution by country